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30210213112102 = 215105106556051
BaseRepresentation
bin1101101111001110111010…
…00001010110100100100110
310221222001211200202021221201
412313213131001112210212
512424431004024041402
6144130214051433114
76235421146353232
oct667473501264446
9127861750667851
1030210213112102
1196980967a5571
12347ab372b579a
1313b1a7064410a
14766279a275c2
15375c84ba5687
hex1b79dd056926

30210213112102 has 4 divisors (see below), whose sum is σ = 45315319668156. Its totient is φ = 15105106556050.

The previous prime is 30210213112049. The next prime is 30210213112111. The reversal of 30210213112102 is 20121131201203.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30210213112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552553278024 + ... + 7552553278027.

It is an arithmetic number, because the mean of its divisors is an integer number (11328829917039).

Almost surely, 230210213112102 is an apocalyptic number.

30210213112102 is a deficient number, since it is larger than the sum of its proper divisors (15105106556054).

30210213112102 is a wasteful number, since it uses less digits than its factorization.

30210213112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105106556053.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30210213112102 its reverse (20121131201203), we get a palindrome (50331344313305).

The spelling of 30210213112102 in words is "thirty trillion, two hundred ten billion, two hundred thirteen million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 15105106556051 30210213112102